Dummy file creator

Quickly create placeholder files of any extension and size for testing uploads, performance checks, or storage limits.

Great for validating max upload limits, CDN caching behaviour, or bulk storage scripts.
Choose an extension and file size, then press “Generate file” to create a downloadable placeholder.

Privacy-first processing every time

WizardOfAZ tools do not need registrations, no accounts or sign-up required. Totally Free.

  • Local only: There are many tools like Text tools, some CSV tools, List tools etc. that are only processed on your browser. Data and Documents are transformed on your machine, so nothing is sent to our servers.
  • Transparent progress: Watch the processing banner appear as soon as work begins and know exactly when it completes.
  • Clear safeguards: Every tool links directly to our privacy policy and has been reviewed for accessibility.
  • Secure Process: Some Tools need to be processed in the servers so the Old Wizard processes your files securely on our servers, keeping them for up to 1 hour so your tool can finish its work—after that, they are automatically deleted after 1 Hour.
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What is Dummy File?

Dummy File is a free data generator from WizardOfAZ. Use it to work with sample datasets using flexible options as part of your testing and demos, without installing extra software.

Popular ways to use Dummy File

  • Streamline testing and demos by using Dummy File to work with sample datasets using flexible options.
  • Share deliverables faster—processed sample datasets are ready for download in seconds.
  • Combine Dummy File with other WizardOfAZ tools to keep complex workflows in one browser tab.

Examples and workflow tips

  • Upload a sample file, cast the spell to work with sample datasets using flexible options, and download the processed result instantly.
  • Bookmark the Dummy File in your browser so recurring tasks stay only one click away.
  • Share the spell with teammates who need a quick, no-install way to work with sample datasets using flexible options.

Frequently asked questions

Is the Dummy File secure?

Yes. The Dummy File runs entirely in your browser, which means your synthetic data never leave your device.

What can I do with the Dummy File?

You can testing and demos by processing sample datasets without uploading them to an external service.

Can I use Dummy File on mobile?

Yes. WizardOfAZ tools are responsive, so you can launch the spell on desktops, tablets, or phones without installing extra apps.

Related tools to explore

Expand your toolkit with other WizardOfAZ spells that complement Dummy File: